Our cities may never look the same again after the pandemic

For advocates of walkable, unpolluted and vehicle-free cities, the past few weeks have offered an unprecedented opportunity to test the ideas they have long lobbied for.

With Covid-19 lockdowns vastly reducing the use of roads and public transit systems, city authorities -- from Liverpool to Lima -- are taking advantage by closing streets to cars, opening others to bicycles and widening sidewalks to help residents maintain the six-foot distancing recommended by global health authorities.

Read more at CNN.